SUMITOMO HEAVY INDUSTRIES GEARBOX

Name

SUMITOMO HEAVY INDUSTRIES GEARBOX

Legal name

Sumitomo Heavy Industries, Ltd. and its group companies

Website

https://shigearbox.com

Company type

Public

Founded year

2017

Operating status

Operating

Short description

Sumitomo Drive Technologies is the power transmission division of Sumitomo Heavy Industries, manufacturing precision gearboxes, gearmotors, couplings, and condition monitoring systems for industrial OEMs and end-users in power generation, cement, steel, and heavy manufacturing globally.

Ownership category

akta.pro rank

Product category

Industrial Power Transmission Equipment

NAICS

Mechanical Power Transmission Equipment Manufacturing (333613), Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612)

SIC

General Industrial Machinery & Equipment (3560)

akta.pro primary industry

Gearmotors, Gearboxes & Speed Reducers (IMAGACAF)

akta.pro secondary industry

Linear Motion & Mechanical Power Transmission (Ball/roller screws, linear guides, bearings, couplings) (IMAHAGAM)

Keywords

• Industrial gear reducers
• Power transmission systems
• Precision gear manufacturing
• Gear motors
• Mechanical couplings

Headquarters

HQ city

Kaizuka

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Industrial Gearbox and Gear Motor Sales: Revenue generated from the sale of precision speed reducers, gear motors, special-purpose reducers/speed increasers, and couplings to industrial customers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Sumitomo Heavy Industries Gearbox manufactures and sells high-precision industrial power transmission equipment, including gear reducers (Paramax series), gear motors (SKK series), special-purpose reducers and increasers, mechanical couplings (Seisa GC and SF series), and condition monitoring systems. These products are used as drivetrain components in power generation equipment, cement mills, cranes, river pumps, steel and resin manufacturing machinery, and other heavy industrial applications requiring reliable, high-efficiency power transmission.

Differentiator

Problem solved

Functional benefit

Brands

• Paramax: Paramax reducers/gearmotors product line
• SKK Gearmotor
• High Speed Gearbox
• Seisa GC Coupling
• SF Coupling

Products and services

• Paramax Reducers (パラマックス減速機) High-precision gear reducers (減速機) meeting international standards for accuracy and reliability, used in power generation equipment, cement mills, cranes, and various industrial machinery.
• SKK Geomotor (AF Series, SF Series) Gear motors combining a motor and gearbox for industrial power transmission applications, including the AF series and SF series. Note: These products are being discontinued at the end of December 2025.
• Special-purpose Reducers/Increasers (特定用途減速機・増速機) Customized reducers and increasers (減速機・増速機) designed for specific applications including high-speed gearboxes, pumps, and specialized industrial machinery such as turbomachinery.
• Couplings (カップリング) — Seisa GC Couplings and SF Couplings Mechanical coupling products (カップリング) including Seisa GC couplings and SF couplings used to connect rotating shafts in power transmission systems for industrial equipment.
• Condition Monitoring Systems (状態監視システム) Systems for monitoring the condition of industrial equipment and machinery, enabling predictive maintenance and helping prevent unexpected failures of industrial gearboxes and power transmission equipment.

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Sumitomo Heavy Industries Co., Ltd. (PTC Division Gearbox Department)coreStrategic or Co-development Partner · 1 April 2017Business integration on April 1, 2017, combining Sumitomo Heavy Industries Gearbox Co., Ltd. (Kaizuka, Osaka) with Sumitomo Heavy Industries Co., Ltd. PTC Division Gearbox Department (Kurashiki, Okayama) to form a unified business entity under the Sumitomo Drive Technologies brand.

Scale indicators3 records

Direct peers

• Bonfiglioli: Italian manufacturer of gearmotors, gearboxes, and planetary drives for industrial automation, wind energy, and heavy machinery. Comparable to Sumitomo in precision power transmission product range and global distribution.
• Flender (Siemens): Major industrial gearbox manufacturer serving cement, mining, power generation, and metals with helical, planetary, and gear units. Direct overlap with Sumitomo's large-mill drives and power transmission portfolio.
• Dodge (ABB): ABB-owned brand specializing in mounted bearings, gearing, and power transmission products for industrial applications. Directly comparable in mechanical power transmission serving heavy industrial markets.
• Hansen Industrial Transmissions: Specialist manufacturer of industrial gearboxes for heavy-duty applications including cranes, winches, and mills. Comparable specialty positioning versus Sumitomo's special-purpose reducers and increasers.
• Nord Drivesystems: Family-owned German manufacturer of gearmotors, gearboxes, and drive electronics with global footprint. Directly competes in industrial power transmission for material handling, cranes, and process industries.
• SEW-Eurodrive: Global market leader in gearmotors, gearboxes, and drive electronics for industrial applications. Directly competes with Sumitomo's Paramax reducers and SKK gearmotors across cement, power, and heavy manufacturing end markets.
• David Brown (Rolls-Royce Power Systems): Heritage industrial gearbox manufacturer serving mining, marine, power, and heavy process industries. Direct overlap with Sumitomo's Paramax line and large-mill drive applications.

Regional players

• Elecon Engineering: India-based industrial gearbox manufacturer serving cement, steel, power, and mining sectors. Comparable product portfolio to Sumitomo but primarily competes in Indian and emerging markets.

Broad incumbents

• Rexnord: Broader industrial power transmission and motion control company spanning bearings, gears, chain, and couplings. Comparable in industrial drivetrain components but with a more diversified portfolio than Sumitomo's gearbox focus.

Others

• Sumitomo Heavy Industries (Cyclo Division): Sister division within the same Sumitomo Heavy Industries parent offering Cyclo Drives and cycloidal speed reducers. Operates within the same parent conglomerate but serves adjacent product categories (cycloidal vs. helical/bevel).

Market position

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SUMITOMO HEAVY INDUSTRIES GEARBOX